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@braken/http-plugin-typeorm

v1.1.32

Published

somethings

Downloads

134

Readme

@braken/http-plugin-typeorm

Braken 框架的 HTTP TypeORM 插件,提供数据库连接和事务支持。

安装

pnpm add @braken/http-plugin-typeorm

特性

  • TypeORM 连接注入
  • 数据库事务支持
  • 中间件集成
  • 依赖注入集成
  • 上下文扩展

使用示例

import { Http } from '@braken/http';
import HttpTypeormPlugin from '@braken/http-plugin-typeorm';
import { DataBaseWare, DataBaseTransactionWare } from '@braken/http-plugin-typeorm';

const http = new Http();

// 添加 TypeORM 插件
http.use(HttpTypeormPlugin);

// 使用数据库中间件
@Controller.Middleware(DataBaseWare)
class UserController extends Controller {
  async response(ctx, next) {
    // 使用数据库连接
    const connection = ctx.$typeorm_connection;
    // ...
  }
}

// 使用事务中间件
@Controller.Middleware(DataBaseTransactionWare)
class OrderController extends Controller {
  async response(ctx, next) {
    // 在事务中使用数据库连接
    const connection = ctx.$typeorm_connection;
    // 如果需要回滚
    ctx.$typeorm_transacation_rollback(() => {
      // 回滚逻辑
    });
    // ...
  }
}

API

HttpTypeormPlugin 类

TypeORM 插件类,提供以下功能:

  • 自动注入数据库连接
  • 上下文扩展
  • 生命周期钩子

中间件

DataBaseWare

数据库连接中间件,提供:

  • 注入数据库连接
  • 上下文扩展

DataBaseTransactionWare

数据库事务中间件,提供:

  • 事务支持
  • 回滚机制
  • 上下文扩展

类型定义

type Connection = DataSource | QueryRunner;

declare module 'koa' {
  interface BaseContext {
    $typeorm_connection?: Connection;
    $typeorm_transacation_rollback?: (roll: () => unknown) => number;
  }
}

许可证

MIT